20808280570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1471}}^1\times {\mathrm{18371}}^1$

素因数の和:19867

約数の個数: 64

約数和(自身を含む): 46731313152

約数和(自身を除く): 25923032582

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 1471, 2942, 7355, 10297, 14710, 16181, 18371, 20594, 32362, 36742, 51485, 80905, 91855, 102970, 113267, 128597, 161810, 183710, 202081, 226534, 257194, 404162, 566335, 642985, 1010405, 1132670, 1285970, 1414567, 2020810, 2829134, 7072835, 14145670, 27023741, 54047482, 135118705, 189166187, 270237410, 297261151, 378332374, 594522302, 945830935, 1486305755, 1891661870, 2080828057, 2972611510, 4161656114, 10404140285, 20808280570]

約数ペア:

[(1, 20808280570), (2, 10404140285), (5, 4161656114), (7, 2972611510), (10, 2080828057), (11, 1891661870), (14, 1486305755), (22, 945830935), (35, 594522302), (55, 378332374), (70, 297261151), (77, 270237410), (110, 189166187), (154, 135118705), (385, 54047482), (770, 27023741), (1471, 14145670), (2942, 7072835), (7355, 2829134), (10297, 2020810), (14710, 1414567), (16181, 1285970), (18371, 1132670), (20594, 1010405), (32362, 642985), (36742, 566335), (51485, 404162), (80905, 257194), (91855, 226534), (102970, 202081), (113267, 183710), (128597, 161810)]